Chandra - NASA Science
Space Telescope| NASA Science
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XMM-Newton is studying X-ray sources across the Universe: looking deep into the centre of galaxies, studying stars at all stages of their live, investigating what happens in and around black holes, and following up on explosive events like gamma-ray bursts. XMM-Newton helps us explore how the Universe was formed and how matter behaves under the most extreme circumstances.| www.esa.int
A Hubble Space Telescope image of a pair of galaxies: NGC 6099 (lower left) and NGC 6098 (upper right). The purple blob depicts X-ray emission from a compact star cluster. The X-rays are produced by an intermediate-mass black hole tearing apart a star.| NASA Science
The following article is Open access| iopscience.iop.org
Since its 1990 launch, the Hubble Space Telescope has changed our fundamental understanding of the universe.| NASA Science
